isp billing software open source

In my article, I mentioned how to use OpenSSL to export the SSL CA certificate from the HTTPS Web site. This method is not very intuitive, and requires the user to manually copy, and then save as a file, then there is no better and more convenient tool?Fortunately, people in the industry who are enthusiastic about open source projects provide us with a more convenient and simple tool: portecle; Using this t

, features and features as follows:1) With connection pooling function.2) replication can be performed between multiple PG servers.3) Load balancing can be performed across multiple PG servers.4) Limit the connection exceeding the limit.5) Parallel query between multiple PG servers.6) For multi-process architecture, including: PCP process, pgpool-ii parent process, pgpool-ii child process, worker process.6, POSTGRES-XCThe real data-level split distributed database based on PG library features an

MySQL database does not start, the connection to the Bacula control side will be error:[Email protected] opt]#/opt/bacula/sbin/bconsoleconnecting to Director 192.168.12.188:910119-04 month 09:45 bconsole JobId 0:fatal error:bsock.c:135 Unable to connect to Director daemon on 192.168.12.188:9101. Err= Deny connectionAt this point, execute the netstat command to discover that port 9101 is not booting at all.Start file daemon on client FDFinally, start the File Daemon service on the client FD (tha

to use the tree-level menu, has been more like jquery.treeview (in fact, only know and will only use Jquery.treeview), unfortunately does not support the checkbox. Although there are many good jquery-based tree-level menu frameworks in open source China, I thought it was ... More Jquer.treeview.addon Information JQuery Tree Diagram Plugin Tree-multiselect

Starting from open-source software-general Linux technology-Linux technology and application information, the following is a detailed description. Ubantu Linux has been installed for the past two days. In fact, many unknown operating systems are playing unknown roles, but they are easy to use, such as Ubantu Linux, in fact, I just used it and I don't know much ab

Cache system: memcached (Group cache), Redis, MongoDB, Couchbase (CouchDB, Membase, Couchone)HTTP cache: Varnish, nginx, traficserver, squidLoad balancing: LVs, F5, NginxAgent: NginxCluster operating system (running on a standalone system): MesosCluster Management: KubernetesWeb server: Nginx, LIGHTHTTPD, Apache, TengineWSGI implementation: UWSGI, GunicornWeb framework (WSGI Server): web.py, Bottle, Django, Tornado, Beego (Golang), Martini (Golang), Revel (Golang)Web performance test: AB, SiegeC

database, we'll take neo4j as an example of how to use a graphical database. NEO4J is the open source graphics database provided by Neo technology. It organizes the data according to the node/relationship model described above and has the following set of features: Support for the transaction. NEO4J enforces that every change to the data needs to be done within a single transaction to ensure data

First, install the ScrapyImporting GPG keyssudo apt-key adv--keyserver hkp://keyserver.ubuntu.com:80--recv 627220E7Add a software sourceEcho ' Deb Http://archive.scrapy.org/ubuntu scrapy main ' | sudo tee/etc/apt/sources.list.d/scrapy.listUpdate the package list and install Scrapysudo apt-get update sudo apt-get install scrapy-0.22Ii. Composition of ScrapyThree, fast start scrapyAfter you run scrapy, you only need to rewrite a download.Here is someon